KUKA KR4 R600 Operation and Maintenance Essentials

KUKA KR4 R600 Operation and Maintenance Essentials

KUKA KR 4 R600 is a six axis articulated robot designed for small handling, assembly, processing, and inspection scenarios. The control cabinet is usually paired with KR C5 micro, and the handheld programmer is smartPAD-2. Its rated load is 3 kg, maximum load is 4.63 kg, maximum arm span is 601 mm, body weight is about 27 kg, workspace volume is about 0.84 m ³, and pose repeatability accuracy can reach ± 0.015 mm. This model supports installation on the ground, ceiling, walls, and at any tilt angle, with a protection level of IP40 and noise level below 68 dB (A). For on-site engineers, the true determinant of equipment stability is often not a single parameter, but the coordination between installation foundation, load data, stopping distance, safety circuit, connecting cables, toothed belt tension, and maintenance cycle. The following summarizes the key technical points of this model from the perspective of operation and troubleshooting.

Product Structure and Axis Data

The KR 4 R600 robotic arm adopts a six axis articulated arm motion system, consisting of an inline wrist, arm, link arm, turntable, base, and electrical equipment. Each shaft is equipped with a brake, and the motor components and connecting cables are arranged under the cover plate to prevent dust and moisture. Electrical equipment includes micro RDC, protection circuits, motor cables, data cables, internal energy supply system interfaces, and cable groups connected to the robot control cabinet. Optional configurations include A1 axis restriction, A2 to A6 energy supply system, brake release device, A6 calibration section, etc.

In terms of axial motion range: A1 is ± 170 °, A2 is -195 °/40 °, A3 is -115 °/150 °, A4 is ± 185 °, A5 is ± 120 °, A6 is ± 350 °. The rated load speed is approximately A1 336 °/s, A2 336 °/s, A3 488 °/s, A4 600 °/s, A5 529 °/s, A6 800 °/s. The zero calibration positions are A1 0 °, A2-90 °, A3 90 °, A4 90 °, A5 0 °, A6 0 °. If the robot is not operating on the ground, the tilt angle must be correctly entered in WorkVisual; The ground is A0/B0/C0, the walls are A0/B90/C0, and the ceiling is A0/B0/C180. Incorrect angle input may result in unexpected movement or overload.

Installation foundation and foundation load

Ground installation usually uses a mounting base with a centering device, including a base plate, resin bonded anchor bolts, and fasteners. The concrete foundation must be flat, level, and have sufficient bearing capacity. There should be no insulation layer or mortar layer between the bottom plate and the concrete. Concrete quality is recommended to meet the requirements of C20/25. When installing, first determine the position of the base plate, check the horizontal deviation, and the maximum allowable deviation is 3 °; If it exceeds the tolerance, leveling material can be used, but there should be no leveling material in the area below the hexagonal bolt. Subsequently, drill holes, install anchor bolts according to the requirements of the anchor bolt manufacturer, and wait for the resin to cure before installing the positioning pin.

The rack fixing component is used to fix the robot on the steel structure, bracket, or KUKA linear slide provided by the customer. The installation surface must be clean, the hole diagram must be correct, and two locating pins and four M10x35-8.8 hexagonal bolts with tapered spring washers should be used. The customer's steel structure must be able to safely transmit the installation base load and maximum load, while ensuring sufficient rigidity. The tensile strength of the material is, for example, S355J2G3. When installing the robot, it is necessary to check whether the positioning pin is damaged. Use a crane to vertically lower the robot onto the installation surface, install four M8x35 hexagonal bolts with conical spring washers, tighten them diagonally in a staggered manner, then remove the lifting device and connect the grounding wire.

In terms of foundation load, during ground installation, the normal vertical force is about 440 N, with a maximum of 707 N, the normal horizontal force is about 297 N, with a maximum of 775 N, the normal tilt torque is about 219 Nm, with a maximum of 566 Nm, and the normal A1 torque is about 73 Nm, with a maximum of 252 Nm. During ceiling installation, the normal vertical force is about 703 N, with a maximum of 732 N, the normal horizontal force is about 298 N, with a maximum of 775 N, the normal tilt torque is about 200 Nm, with a maximum of 551 Nm, and the normal A1 torque is about 104 Nm, with a maximum of 260 Nm. During wall installation, the normal vertical force is about 272 N, with a maximum of 511 N, the normal horizontal force is about 568 N, with a maximum of 927 N, the normal tilt torque is about 262 Nm, with a maximum of 629 Nm, The foundation must be able to withstand these forces and moments for a long time.

Load, flange, and stopping distance

The rated load of KR 4 R600 is 3 kg, with a maximum load of 4.63 kg. The rated and maximum additional loads of the base, turntable, and link arm are mostly 0 kg, and the maximum additional load of the arm is 1 kg. The total sum of all loads fixed to the robot must not exceed the maximum total load. The load center of gravity and mass moment of inertia must be checked using KUKA. Load, and the load data must be input into the control cabinet. The load chart displays curves for 2 kg, 2.5 kg, 3 kg, 3.5 kg, 4 kg, 4.5 kg, and 4.63 kg, and both the load mass and mass moment of inertia must be checked simultaneously. Exceeding the load curve will shorten the service life of the robot, causing overload of the motor and gearbox. If necessary, KUKA service should be consulted.